Question

1. In our body several organs together do one major job for the body. These organ
Arteries
2.
b. Capillaries
All of these
5. In an average adult, the heart pumps blood about ...
times a minute
a. 50
3
4
TT
1.72
100
d. 120
B.
C. Fill in the blanks.
form an
2. The breathing in of air is called ...
TH
3.
takes air down to the lungs in the chest region.
If
his
4.
works like a pump to send blood through arteries, veins and capillan:D
5. The
protects the lungs.
D. Write T for True statements or F for False statements.
1. Our chest moves inwards when we breathe in.
2. Blood carries only oxygen to all body parts.
3. Vains are thin-walled blood vessels that carry blood back to the heart.
4. The upper two chambers of the heart are called auricio​

Answer 1

Answer:

Please give questions one by one